[Q] Rooted phone, no custom ROM boot looping

I've seen plenty threads regarding custom ROMs boot looping, but nothing so far regarding a rooted, stock ROM. I am unaware if I received an OTA (wasn't prompted or anything) or what exactly just changed, but I've had my phone rooted for 4 months now with no issue but suddenly today I noticed that apps were lagging and acting weird so I rebooted my phone. After startup, the phone will go to the home screen and load, but will reboot after 1 minute. I've verified that the phone will not loop once I make it to recovery (TWRP 2.6.3.3) but that's as far as I've gotten. For starters, here is the getvar for the phone:

I'm not that experienced with rooting and such, I was able to teach myself enough to do the rooting and adding recovery but I've not had any issues so I'm scratching my head a bit here. I don't think that resetting to factory and starting over is a good first start, but I don't think I've made any recovery points to roll back to (I'm not sure if it will auto-add recovery points), so where do I go from here? Any and all help is greatly appreciated!

I've seen plenty threads regarding custom ROMs boot looping, but nothing so far regarding a rooted, stock ROM. I am unaware if I received an OTA (wasn't prompted or anything) or what exactly just changed, but I've had my phone rooted for 4 months now with no issue but suddenly today I noticed that apps were lagging and acting weird so I rebooted my phone. After startup, the phone will go to the home screen and load, but will reboot after 1 minute. I've verified that the phone will not loop once I make it to recovery (TWRP 2.6.3.3) but that's as far as I've gotten. For starters, here is the getvar for the phone:

I'm not that experienced with rooting and such, I was able to teach myself enough to do the rooting and adding recovery but I've not had any issues so I'm scratching my head a bit here. I don't think that resetting to factory and starting over is a good first start, but I don't think I've made any recovery points to roll back to (I'm not sure if it will auto-add recovery points), so where do I go from here? Any and all help is greatly appreciated!

start by wiping cache and dalvik cache from twrp then reboot and see if you are able to boot in the OS

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